using System;
using System.Collections.Generic;

public class SupplyCycle
{
    public int Id { get; set; }
    public string Name { get; set; }
}

public class SupplierService
{
    // 模拟从数据库获取供货周期
    private List<SupplyCycle> getPiriod()
    {
        return new List<SupplyCycle>
        {
            new SupplyCycle { Id = 1, Name = "现货" },
            new SupplyCycle { Id = 2, Name = "1-2天" },
            new SupplyCycle { Id = 3, Name = "3-5天" },
            new SupplyCycle { Id = 4, Name = "1周" },
            new SupplyCycle { Id = 5, Name = "1-2周" },
            new SupplyCycle { Id = 6, Name = "3-4周" },
            new SupplyCycle { Id = 7, Name = "电询" }
        };
    }

    public List<SupplyCycle> GetSupplyCycles()
    {
        return getPiriod();
    }
}